Newbie Needs help-Jerks when wet no code

[bahsignature]

Need help from user community as I have a 99 PS 4x4 automatic with 175k and recently on the highway my truck jerked and showed the CES light. When I pulled over and used code reader it showed no codes? When I started back up the light was gone and was good for weeks, then when on the higway again when wet the same thing happend again. Tried using the code reader while engine still running and nothing but light goes off when engine gets turned off and back to the ON position to read. HELP as this is concerning as the Jerk feels like my E150 when I run it over 100mph and the govener jerks it telling me to slow down but I know this is not the case with the truck as I dont go that fast with it. ** HELP ***

[symbols]

I thought you were calling us jerks

Anyhow, what about CPS?

[ZachBoyer]

have you checked your connections under the hood?

Other than that heres a for ya

[Dietoremain]

i've heard of window seals leaking and gettin water into the pcm. check for moisture!

[bahsignature]

Where can I locate the PCM on my 99 F350? I can attempt to seal it for moisure then see if this works......... Thanks for the tip and I guess its a seal it and wait and see from there

[JPLTrucking]

I had the same problem. It stopped once I replaced the CPS. Mine would do it when the windshield wipers were in intermitant. Weird... Mine would throw the light on also, but there would be no code. Try that first. Cheap fix.

[dieselcrawler]

I had a bad alternator on my truck, and it caused random CPS-like stalls and 'hic-ups'. After replacing both alt's around New years, no problems.